Topic Last Modified: 2006-04-27

This section describes the steps to help you troubleshoot connection problems when you configure an RPC over HTTP connection. The main areas of troubleshooting include:

• Verifying the RPC proxy server certificate and authentication methods.
  
• Verifying a successful connection to the RPC proxy server by using a Secure Sockets Layer (SSL) connection.
  
• Verifying the Office Outlook client configuration.
  

These steps walk you through all parts of your configuration to help troubleshoot an unsuccessful RPC over HTTP connection. Additionally, other troubleshooting information is provided to help you determine if an Office Outlook 2003 Client RPC over HTTP connection is working.

 Troubleshoot RPC over HTTP Communications

To troubleshoot RPC over HTTP communications, see the following topics:

• How to Verify That RPC over HTTP Support Is Installed
  
• How to Verify That World Wide Web Publishing Service Is Running
  
• How to Verify That SSL Certificate Is Installed on RPC Proxy Server
  
• How to Verify RPC Virtual Directory Configuration
  
• How to Verify That RPC Proxy Server Has Basic Authentication Configured
  
• How to Verify That RPC Proxy Server Extension Is Loading Properly
  
• How to Verify Client Computer Configuration
  
• How to Verify Exchange Server 2003 Port Configuration
  

 For More Information

• For information about how to configure RPC over HTTP in different Exchange Server 2003 scenarios, see Deployment Scenarios for RPC over HTTP.
  
• For information about Remote Procedure Calls that use RPC over HTTP, see Remote Procedure Calls Using RPC over HTTP.
  
• For information on configuring Outlook 2003 client for RPC over HTTP, see Configuring Outlook 2003 for RPC over HTTP.